VULNERABILITY INTELLIGENCE

CVE-2023-5197

CVSS score7.8 HIGH

EPSS probability0.37%

CISA KEVNot currently listed

Published2023-09-27

Last modified2026-10-14

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.

Weakness classification

cve-coordination@google.com: CWE-416
nvd@nist.gov: CWE-416

Primary references

cve-coordination@google.com — Third Party Advisory
cve-coordination@google.com — Patch
cve-coordination@google.com — Patch, Vendor Advisory
cve-coordination@google.com — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e